Error measurement for digital systems

Communications: electrical – Digital comparator systems

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G06F 1100

Patent

active

040706478

ABSTRACT:
The quality of a transmission link is demonstrated by the number of samples of predetermined bit length (N) containing more than one bit in error. The distribution of errors, as it is called is determined by detecting the occurrence of an error, counting the number of bits from one error to the next error, evaluating for each sequence i of errors in which no three consecutive errors span more than (N + 1) bits the sum ##EQU1## WHERE A.sub.J = THE NUMBER OF BITS FROM THE JTH ERROR TO THE (J + 1)TH ERROR IN THE SEQUENCE, AND M = THE NUMBER OF ERRORS IN THE SEQUENCE, AND GENERATING THE CUMULATIVE SUM ##EQU2##

REFERENCES:
patent: 2943149 (1960-06-01), Irland et al.
patent: 3036290 (1962-05-01), Zarouni
patent: 3177351 (1965-04-01), Freiman
patent: 3618015 (1971-11-01), Homonick
patent: 3725860 (1973-04-01), Kemper et al.

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